The case when someone passes DQUOT_SUSPENDED flag to dquot_load_quota_sb() is easy to handle. So just WARN_ON_ONCE and bail with error if that happens instead of calling BUG_ON which is likely to lockup the machine. Signed-off-by: Jan Kara <jack@xxxxxxx> --- fs/quota/dquot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index c0d778363435..f0bb8367641f 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2377,7 +2377,8 @@ int dquot_load_quota_sb(struct super_block *sb, int type, int format_id, lockdep_assert_held_write(&sb->s_umount); /* Just unsuspend quotas? */ - BUG_ON(flags & DQUOT_SUSPENDED); + if (WARN_ON_ONCE(flags & DQUOT_SUSPENDED)) + return -EINVAL; if (!fmt) return -ESRCH; -- 2.35.3
